2-09

• 13:53:36: Q1. image gradient should be a perd or b parallel to edge?

• 14:00:08: Q2 Do you guys have a course on writing GUI? (callback?)

• 14:21:40: Q3. what should i add for “?” now in the code?

• 14:22:14: Q3 what should it be for “?”?

• 14:27:25: Q4. what should i add for ? now?

• 14:39:01: Q5, what should i change to?